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● Accurate Pressure Control
● Operation is Fully Mechanical without Electric Power Source
● Fast opening for protection of pipe
● Slow shutting to prevent Surge
Model 133-010 consists of Basic Valve(BALEM130) and Pressure Relief Pilot valve(Model 573). It is installed at bypass of the pipe line in order to prevent damage on pipe by discharging high pressured water to atmosphere once the pipe pressure increased higher than the pre-set pressure, and strengthen the maintenance of constant pressure at the inlet pressure within the pre-set pressure.
When pressure raise rapidly, valve will open fast and when it drops, closes slow to protect the pipeline by adjusting the speed
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